From: Tom Musta <tommusta@gmail.com>
To: Alexey Kardashevskiy <aik@ozlabs.ru>, qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [PATCH 1/9] target-ppc: Rename MMCR0/1 contants
Date: Wed, 21 May 2014 11:55:51 -0500 [thread overview]
Message-ID: <537CDA97.6090204@gmail.com> (raw)
In-Reply-To: <1400653228-31540-2-git-send-email-aik@ozlabs.ru>
On 5/21/2014 1:20 AM, Alexey Kardashevskiy wrote:
> MMCR0 and MMCR1 have different numbers for 32 and 64 bit POWERPC.
> We are going to support 64bit versions too so let's rename 32bit ones
> to avoid confusion.
>
> 604 uses same SPR number for MMCR0 so it is included in this patch too.
I'm not sure that it is a 32-bit vs. 64-bit thing as much as it is an
evolution of Performance Monitor from individual Book IVs into the
ISA. Saying differently, the SPR number for MMCR0 is now specified
in the ISA and is the same for 32 and 64 bit implementations
... and is also the same for embedded versus server implementations.
When the 604 came out, the performance monitor was not yet part of
the ISA.
Other than that ...
Reviewed-by: Tom Musta <tommusta@gmail.com>
next prev parent reply other threads:[~2014-05-21 16:56 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-21 6:20 [Qemu-devel] [PATCH 0/9] POWER8 patches Alexey Kardashevskiy
2014-05-21 6:20 ` [Qemu-devel] [PATCH 1/9] target-ppc: Rename MMCR0/1 contants Alexey Kardashevskiy
2014-05-21 16:55 ` Tom Musta [this message]
2014-05-22 2:53 ` Alexey Kardashevskiy
2014-05-21 6:20 ` [Qemu-devel] [PATCH 2/9] target-ppc: Refactor init_proc_POWER7 Alexey Kardashevskiy
2014-05-21 10:44 ` Alexander Graf
2014-05-21 12:30 ` Alexey Kardashevskiy
2014-05-21 13:23 ` Alexander Graf
2014-05-22 3:59 ` Alexey Kardashevskiy
2014-05-22 7:08 ` Alexander Graf
2014-05-21 6:20 ` [Qemu-devel] [PATCH 3/9] target-ppc: Add POWER7 SPRs Alexey Kardashevskiy
2014-05-21 17:17 ` Tom Musta
2014-05-21 6:20 ` [Qemu-devel] [PATCH 4/9] target-ppc: Refactor init_proc_POWER8 Alexey Kardashevskiy
2014-05-21 17:22 ` Tom Musta
2014-05-21 6:20 ` [Qemu-devel] [PATCH 5/9] target-ppc: Add POWER8 SPRs Alexey Kardashevskiy
2014-05-21 10:47 ` Alexander Graf
2014-05-21 18:08 ` Tom Musta
2014-05-21 6:20 ` [Qemu-devel] [PATCH 6/9] target-ppc: Enable PPR and VRSAVE SPRs migration Alexey Kardashevskiy
2014-05-21 10:53 ` Alexander Graf
2014-05-21 6:20 ` [Qemu-devel] [PATCH 7/9] KVM: target-ppc: Enable transactional state migration Alexey Kardashevskiy
2014-05-21 18:11 ` Tom Musta
2014-05-22 2:50 ` Alexey Kardashevskiy
2014-05-22 11:39 ` Tom Musta
2014-05-21 6:20 ` [Qemu-devel] [PATCH 8/9] spapr_hcall: Split h_set_mode() Alexey Kardashevskiy
2014-05-21 6:20 ` [Qemu-devel] [PATCH 9/9] spapr_hcall: Add address-translation-mode-on-interrupt resource in H_SET_MODE Alexey Kardashevskiy
2014-05-21 11:44 ` Alexander Graf
2014-05-21 12:24 ` Alexey Kardashevskiy
2014-05-21 12:25 ` Alexander Graf
2014-05-21 12:26 ` [Qemu-devel] [Qemu-ppc] " Greg Kurz
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